以前的简介字段内容只截取了60个字，新模板的简介60字符太少了，不美观，想让简介都截取200个字，怎么批量修改呢，文章太多了手动改肯定不行

先对帝国 CMS 所使用的数据库进行完整备份，以防数据丢失或出错。

保存e/admin/ChangeByID.php 
 

<?php
define('EmpireCMSAdmin','1');
require(../class/connect.php);
require(../class/db_sql.php);
require(../class/functions.php);
require LoadLang(pub/fun.php);
require(../class/t_functions.php);
require(../data/dbcache/class.php);
require(../data/dbcache/MemberLevel.php);
$link=db_connect();
$empire=new mysqlquery();
$tbname=news;
$sid=(int)$_GET['startid'];
$b=0;
$rs=$empire->query(SELECT id,newstext FROM {$dbtbpre}ecms_{$tbname}_data_1 WHERE id>{$sid} limit 20);
        while($r=$empire->fetch($rs))
        {
                $smalltext='';
                !$r['newstext'] or $smalltext=SubSmalltextVal($r['newstext'],200);
                $smalltext=addslashes($smalltext);
                $smalltext &&
                $empire->query(UPDATE {$dbtbpre}ecms_{$tbname} SET smalltext='{$smalltext}' WHERE id=.$r[id]);
                $b=$r['id'];
        }
$b or exit('转换结束！');
echo <meta http-equiv=refresh content=1;url=ChangeByID.php?startid=.$b.>;
echo 已转换ID.$b;
db_close();
$empire=null;
?>